Tiger Analytics Big Data Engineer Interview Questions and Answers

Q1. Tableau Questions 1. Difference between dimensions and measures. 2. What is RLS? 3. What are the functions you can assign in RLS? 4. Explain what is drill down approach. 5. What is LOD? 6. What is a calcul...read more
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Q2. SQL Questions 1. In employee table find the 2nd highest salary. 2. Find the highest average salary in department 3. Given two tables(sales & product) find total sales per category 4. Two questions to find ...read more
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Q2. NAnank
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Q1. Azure Scenario based questions
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Q2. Pyspark Coding based questions
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Q1. ADF, Databricks related question
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Q2. Spark Performance problem and scenarios
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Based on SQL , statistics , python , cognitive

Q1. Based on AI/Ml and based on cv
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Q2. Based on projects
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Q1. How to handle toxic work culture?
Ans. 
Address toxic work culture by open communication, setting boundaries, seeking support, and considering leaving if necessary.
• Open communication with colleagues and management about issues

• Set boundaries to protect your mental and emotional well-being

• Seek support from HR, a mentor, or a therapist if needed

• Consider leaving the toxic work environment if the situation does not improve
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Q2. 5 strength and weakness
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Q1. Spark basic question , hive related questions.
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Q1. What is Databricks, and how does it differ from Azure Data Factory?
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Q1. Self introduction
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Maths grammar & communication

Q1. Typeing speed skills check same use paragraph
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Q2. Typing speed 10 minutes
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Q1. Move on next round easy
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Q1. Incremental load in pyspark
Ans. 
Incremental load in pyspark refers to loading only new or updated data into a dataset without reloading the entire dataset.
• Use the 'delta' function in pyspark to perform incremental loads by specifying the 'mergeSchema' option.

• Utilize the 'partitionBy' function to optimize incremental loads by partitioning the data based on specific columns.

• Implement a logic to identify new or updated records based on timestamps or uni...read more
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Q2. Drop duplicates
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